diff options
Diffstat (limited to 'arch/arm/cpu/armv8/s32v234/cpu.c')
-rw-r--r-- | arch/arm/cpu/armv8/s32v234/cpu.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/arm/cpu/armv8/s32v234/cpu.c b/arch/arm/cpu/armv8/s32v234/cpu.c deleted file mode 100644 index 8ee3adc805..0000000000 --- a/arch/arm/cpu/armv8/s32v234/cpu.c +++ /dev/null @@ -1,102 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2014-2016, Freescale Semiconductor, Inc. - */ - -#include <common.h> -#include <cpu_func.h> -#include <init.h> -#include <asm/cache.h> -#include <asm/io.h> -#include <asm/system.h> -#include <asm/armv8/mmu.h> -#include <asm/io.h> -#include <asm/arch/mc_me_regs.h> -#include <linux/bitops.h> -#include "cpu.h" - -u32 cpu_mask(void) -{ - return readl(MC_ME_CS); -} - -#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) - -#define S32V234_IRAM_BASE 0x3e800000UL -#define S32V234_IRAM_SIZE 0x800000UL -#define S32V234_DRAM_BASE1 0x80000000UL -#define S32V234_DRAM_SIZE1 0x40000000UL -#define S32V234_DRAM_BASE2 0xC0000000UL -#define S32V234_DRAM_SIZE2 0x20000000UL -#define S32V234_PERIPH_BASE 0x40000000UL -#define S32V234_PERIPH_SIZE 0x40000000UL - -static struct mm_region s32v234_mem_map[] = { - { - .virt = S32V234_IRAM_BASE, - .phys = S32V234_IRAM_BASE, - .size = S32V234_IRAM_SIZE, - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_OUTER_SHARE - }, { - .virt = S32V234_DRAM_BASE1, - .phys = S32V234_DRAM_BASE1, - .size = S32V234_DRAM_SIZE1, - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_OUTER_SHARE - }, { - .virt = S32V234_PERIPH_BASE, - .phys = S32V234_PERIPH_BASE, - .size = S32V234_PERIPH_SIZE, - .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | - PTE_BLOCK_NON_SHARE - /* TODO: Do we need these? */ - /* | PTE_BLOCK_PXN | PTE_BLOCK_UXN */ - }, { - .virt = S32V234_DRAM_BASE2, - .phys = S32V234_DRAM_BASE2, - .size = S32V234_DRAM_SIZE2, - .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) | - PTE_BLOCK_OUTER_SHARE - }, { - /* List terminator */ - 0, - } -}; - -struct mm_region *mem_map = s32v234_mem_map; - -#endif - -/* - * Return the number of cores on this SOC. - */ -int cpu_numcores(void) -{ - int numcores; - u32 mask; - - mask = cpu_mask(); - numcores = hweight32(cpu_mask()); - - /* Verify if M4 is deactivated */ - if (mask & 0x1) - numcores--; - - return numcores; -} - -#if defined(CONFIG_ARCH_EARLY_INIT_R) -int arch_early_init_r(void) -{ - int rv; - asm volatile ("dsb sy"); - rv = fsl_s32v234_wake_seconday_cores(); - - if (rv) - printf("Did not wake secondary cores\n"); - - asm volatile ("sev"); - return 0; -} -#endif /* CONFIG_ARCH_EARLY_INIT_R */ |